102445850 has 36 divisors (see below), whose sum is σ = 205725114. Its totient is φ = 37730880.

The previous prime is 102445787. The next prime is 102445883. The reversal of 102445850 is 58544201.

It can be written as a sum of positive squares in 9 ways, for example, as 5285401 + 97160449 = 2299^2 + 9857^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 257852 + ... + 258248.

Almost surely, 2^102445850 is an apocalyptic number.

102445850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102445850 is an abundant number, since it is smaller than the sum of its proper divisors (103279264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102445850 is an equidigital number, since it uses as much as digits as its factorization.

102445850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 102445850 is about 10121.5537344817. The cubic root of 102445850 is about 467.9126538478.

The spelling of 102445850 in words is "one hundred two million, four hundred forty-five thousand, eight hundred fifty".